$ git clone -n https://src.fedoraproject.org/rpms/perl-Graphics-ColorNames-WWW.git /var/lib/mock/f45-build-23761-599/root/chroot_tmpdir/scmroot/perl-Graphics-ColorNames-WWW
Cloning into '/var/lib/mock/f45-build-23761-599/root/chroot_tmpdir/scmroot/perl-Graphics-ColorNames-WWW'...
$ git fetch origin 0b0d0a326f52a780d7ba411b247f4c8d5c49cdde:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Graphics-ColorNames-WWW
 * [new ref]         0b0d0a326f52a780d7ba411b247f4c8d5c49cdde -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0b0d0a3 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild